david letterman, jay leno, fergson and fallen told 290 jokes about republicans. and 138 jokes about democrats. from late august to early october. the top five subjects were mitt romney, president obama, arnold schwarzenegger, bill clinton and paul ryan. ♪ ♪ >> bret: as we have been telling you, ohio is basically the epicenter of the presidential universe right now. no republican has ever won the white house without it. it's shaping up to possibly be the decideer this time. tonight, correspondent mike tobin takes us to a ohio school where the campaign is already over. and the winner declared. >> republicans and democrats both love america. >> as the world wants to know how ohio will vote, students at saint edward middle school lakewood took a shot. >> ohio was a question mark. i don't know if you remember that. >> through the mock election they picked president barack obama back in 2008, by eight points. again this year the exercise and practical prophecy is an attempt by the faculty to start the students down a path of engagement with the political process. i